bieber



(No Model.) 5 Sheets-Sheet 1..

I J. BIBBER.

HUB BORING MAHINE.

(No Model.) 5 Sheets-Sheet 4.

J; l13181388. HUBBORING MACHINE. No. 876,088. Patentd Janylo, 1888.

5 Sheets-Sheet 5.

` (No Model.)

J. BIBER.

HUB BORING MACHINE.

No. 376,063. `PaAzen'ed Jan. 10, 1888.

UNITED v 'STATES PATENTv Orriorl.,l

JACOB BIEBER, VOF JACKSON, MICHIGAN, ASSIGNOR OF TWO-THIRDS TO ALFRED B. BOLTON AND CHRISTIAN WILLIAM KAST, BOTH OF SAME PLACE.

HUB=BR|NG MACHINE.

specimens-N ferming part of Letters Patent No. eveoeaaatea January 1o, laas. Applicatiouiiled November 11, 1886. Serial No. 213,568. (No model.)

To @ZZ whom it may concern:

Be it known that I, JACOB BIEBER, of J ackson, 1n the county of Jackson and State of Michigan, have invented anew'and useful Im- 5 provementin Hub-Boring Machines, of which the following is a specification. y My invention relates to hubboring` machines. l I The object of myinvention is to provide an 1o improved machine for boring or reaming out the hubs of Wheels to receive the axle-box. I attain this object bythe mechanism illustrated 1n the accompanying drawings, in which- Figurel is a side elevation of the entire machine with the side of the hollow base which is'toward the observer broken away. Fig. 2 1s a section on the liney y, Fig. 1, showing the tool-holding bar and a portion of its hearings in full. Fig. 3 is a detail view of the screwclamp and box in whichit is held. Fig. 4 is a section on the line x x, Figs. l and 2. Fig. 5V is a detail viewin section of acam and centering-rod. Fig. 6 is a detail view of the bar. 24. Fig. 7 is an elevation of the machine with a wheel Whose hub is to be bored attached. The front or end atwhich is the chuck-head is shown. Fig. 8 is an isometric view of my hubboring machine, showing the `hub in position to be operated upon by the boring-tool18.

3o For the sake of clearnessvand `to economize rooln, a portion of the chuck-head is broken away and the spokes and rim of the wheel are not shown.

Similar reference-ligures refer to similar V parts throughout the several views.

l is a circular disk-bearing secured transversely across one end of the base 3, and 2 is an annular bearing rigidly secured transversely across the other end of said base.

4o Through the bearing* 1 atA its ycenter is the horizontal slot 10 10, adapted to receive the adjustahlebearing 11 of the toolbearing rod 12. The opening in the annular bearing 2 should be of a suiiicient size to receive the 4 5 largest hubs that may he bored on the machine with room to spare.

19 is a standardor pedestal having thehorizontal slot 20 20 at its upper part, which slot is adapted to receive the adjustable bearing 21 53 of the tool-bearing rod 12. The pedestal 19 is -volve in a perpendicular plane, but not to of such a height as to bring the slot 2l on a level with the slot 10 l0.

18 is the boring or reaming tool.

Thebar 12 is adapted for receiving the tool 18 at one end, has a screw-thread at the other for a considerable distance-say one-half its lengthand is provided with a slot, 22, extending along its entire length. (Shown in section in Fig. 4 and in dotted lines in Figs. 1 and 2.) The bearing 1l of the -rod 12 consists of the frame 14, fitted to slide in the slot 10, and the bar or piece of metal 13, pivoted` between the lugsl, which lugs project from the top and bottom of the frame 14. From one end of the frame 14 extends the lug 16, near to and on a 65 level with which is the stationary lug 23, extending from the disk-bearing.

In the lug 23 is fitted the shank of the'screw in such a way as to allow it to turn, but not to move in the direction of its length. The 7c threaded portion of the shank of the screw 17 passes through a hole in the lug 16, said hole being provided with screw-threads to correspond with the thread on the shank of the screw 17. By turning the screw 17 the vbearing 11 may be adjusted laterally to any desired position. lIhe bearing 21 is similar to the bearing 11, and therefore requires no separate description. i

The tool-bearing rod 12 is fitted snugly in holes through the bars or pieces of metal 13 and 24 iu such a way as to permit it to slide through either way in 4the directiony of its length, but is prevented from turning by afin orv spline, 61, which rises from the bottom of the wall surrounding the holes in the barsl 13 and 24 and projects intoY the slot 22.

The circular box 25 is secured to the bearing 11 in such a manner as to allow it to remove toward or away from the bearing 1. The rod 12 passes through the hole 27 in the box 25, Fig. 3. In the box 25 are pivoted the levers 26. Said levers have formed in them the semicircular faces 28, provided with screwthreads adapted to engage with the screwthreads on the bar 12. The levers 26vturn about the point 29, and are held apart by the spring 3() when not required to engage with the thread on the rod 12. Ico

31 is a metal loop secured to one of the levers 26, and adapted to pass over the other lever to hold the levers together when the machine is in operation.

32 is a slotted rod rigidly secured to the box 25, the use of which will be pointed out in a different connection.

On the disk-bearing 1 is secnred, by plates S 8, the gear-Wheel 6. On the annular bearing 2 is secured, by the formation of the wheel and plates 99, the gear-wheel7 These two wheels 6 and 7 are geared together by the gear-wheels 35 and 36 on the shaft 37. Secured by screws 38 to the face ot the gear-wheel 7, and held a short distance therefrom by projections 39, is the ring 40, to which are attached the arms 41 41 41, to which arms is secured by clamps the rim of the wheel the hub of which is to be bored. IThe wheel 7 and rings 40 and 45 constitute a chuck-head for holding the wheel the hub of which is to be bored. From the wheel 6 extends the rod 42, which passes through a slot in the rod 32. Upon the ring as a bearing is the ring 45,which is held in position by the cams 43 43 43 and plates 44. The ring 45 can be turned around its bearing 40 by the handle 46.

43 43 43 are cams which turn about the pivots 47. Said pivots 47 extend from the ring 40 and are rigidly fastened thereto.

48 4S 4S are slots in the cams 43, through which extend from the surface of the ring 45, to which they are tixed,the short rods 49. The cams 43 are so pivoted to the ring 40 that the slot 48 shall always be at an angle with the motion of the rods 49 when the ring 45 is rotated about the ring 40.

50 50 are rods sliding radially to the chuckhead 40 45 7 in holes through the projections 39 39.

51 51 51 are annular projections from the periphery of the circular part of the cam 43 43 43, which projections extend into and slide in slots in the outer ends of the rods 50.

The method of using my improved hub-boring machine is as follows: One end of the hub to be bored is inserted through or into the opening in the annular bearing 2. The operator takes hold of the handle 46 and turns the ring 45, moving the rods 49 along the slots 48, and thus turning the cams 43 about the pivots 47, forcing the rods 50 simultaneously in toward the center of the chuck-head till the inner ends of all said rods come in contact with the hub, thus forcing said hub into the center of the chuck-head. The levers 2G are closed, bringing the threads on the faces 28 into engagement with the threads on the rod 12. The rod 12 is adjusted to an angle to correspond tothe taper it is required to give the hole in the hub by moving forward or back the bearings 11 and 21 by the screws 17 and 52. The wheel and chuck-head to which it is attached are revolved either by means of a handle, 60, on the arms 41 or in any other convenient manner. The revolution of the wheel 7 ,acting through the gear-wheels 35 and 36 and shaft 37, revolves the wheel o'. The rod 42, carried by the wheel 6, acting on the slotted rod 32, revolves the box 25 and levers 26, causing the rod 12 to move longitudinally and carry the cutting-tool 18 through the hub while the hub is being revolved around the cutting-tool.

Having fully described my invention, what I wish to claim and secure by Letters Patent 1. The combination of a revolving chuckhead to which the wheel the hub of which is to be bored is attached, a standard, 19, provided with a horizontal slot, 20, a bearing for the tool-bearing rod adjustable in the slot 20, a circular bearing` 1, provided with a horizontal slot, 10, in which is the adj ustable bearing 11, a feed-actuating wheel, 6, turning upon a circular bearing, 1, and a device for feeding the tool-bearing rod up to its work, substantially as shown and described.

2. The combination of a revolving chuckhead provided with a toothed wheel, 7, the standard 19, provided with a horizontal slot, 20, a bearing for the tool-bearing rod adjustable in the slot 20, a circular bearing, 1, gearwheels and shaft 3G, 37, and 35, connecting wheels 7 and 6, and a means of feeding the tool-bearing rod up to its work, substantially as shown and described.

3. The combination of a ring, 45, the bearing 40 for said ring, slotted cams 43, rods 49, extending from the ring 45 through the slots in the cams 43, and the centering-rods 50, substantially as shown and described.

JACOB BIEBER.

Vitnesses:

JosIAH B. FRosT, JACOB H. SLATER. 

